MSG_SINGULAR
{ MSG_SINGULAR(DEV_GRP_NULL, (res), (state)), TWL_DFLT_DELAY }
{ MSG_SINGULAR(DEV_GRP_NULL, (res), RES_STATE_ACTIVE), (state) }
message = MSG_SINGULAR(DEV_GRP_P1, info->id, RES_STATE_ACTIVE);
message = MSG_SINGULAR(DEV_GRP_P1, info->id, RES_STATE_SLEEP);